Measuring Light Yield with Isolated Protons in MicroBooNE

UNSPECIFIED (2022) Measuring Light Yield with Isolated Protons in MicroBooNE. Other. UNSPECIFIED.

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Abstract

Liquid Argon Time Projection Chambers (LArTPCs) are precision detectors used extensively in neutrino physics. The MicroBooNE experiment at Fermilab is one of the experiments employing this technique and has collected 5 years of data from 2015-2021. The primary signal in LArTPCs is ionisation, but argon also emits large quantities of scintillation light, which can be used for calorimetry, timing and background rejection. Prompt scintillation light in MicroBooNE is recorded with an array of 32 PhotoMultiplier Tubes (PMTs). To enable the full use of scintillation light in the experiment, it is important to characterize the efficiency of light collection in the detector, i.e. the light yield. We present a new method of measuring the light yield using isolated proton interactions, which enables a position-dependent light yield measurement to map the response of the detector across its volume. This method can be used to calibrate the light response in large-scale LArTPC detectors as well as to test assumptions used in simulating scintillation light.

Item Type:
Monograph (Other)
ID Code:
222983
Deposited By:
Deposited On:
03 Oct 2024 14:25
Refereed?:
No
Published?:
Published
Last Modified:
07 Nov 2024 02:05